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# b1

finalshare Nov 14th, 2016 90 Never
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1. #include <stdio.h>
2. #include <stdlib.h>
3. #include <math.h>
4.
5. /*Function prototype*/
6. void input(int *num, int *den); // input numerator (num) and denominator of a fraction (den)
7. void display(int num, int den); // display the fraction
8. void simplify(int *num, int *den); // simplify the fraction
9.
10. void input(int *num, int *den)
11. {
12.     printf("Enter numerator: ");
13.     scanf("%d",num);
14.     do
15.     {
16.         printf("Enter denominator: ");
17.         scanf("%d",den);
18.     }
19.     while( *den==0);
20.
21. }
22.
23. void display(int num, int den)
24. {
25.     printf("%d/%d",num,den);
26. }
27. void simplify(int *num, int *den)
28. {
29.     int m;
30.     if (*num>*den) m=*num;
31.     else m=*den;
32.     int i;
33.     for (i=m; i>1; i--)
34.     {
35.         if(*num%i==0 && *den%i==0 )
36.         {
37.             *num=*num/i;
38.             *den=*den/i;
39.         }
40.
41.     }
42.     if (*num>0 && *den<0)
43.     {
44.         *num*=-1;
45.         *den*=-1;
46.     }
47.     printf("%d/%d\n",*num,*den);
48.
49. }
50.
51. int main(int argc,char * argv[])
52. {
53.     int n,d,*pn,*pd;
54.     pn=&n;
55.     pd=&d;
56.     char c;
57.     do
58.     {
59.         c=0;
60.         printf("1. Input fraction\n\n");
61.         input(&n,&d);
62.         fflush(stdin);
63.         printf("2. Simplify fraction\n\n");
64.         display(n,d);
65.         printf("\n = \n");
66.         simplify(&n,&d);
67.         while (c!='n' && c!='y')
68.         {
69.             printf("Another run?(y/n)  ");
70.             c=getchar();
71.         }
72.
73.
74.     }
75.     while (c=='y');
76.
77.     return 0;
78. }
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